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7- 5. Troubleshooting in Test Operation ..................................................................................
7- 5-1. A Check Code is Displayed on the Remote Controller .......................................
7- 5-2. No Remote Controller Response with Check Code.............................................
7- 5-3. No Remote Controller Response without Check Code .......................................
7- 5-4. Connected Indoor/Outdoor Unit Quantity Check ................................................
7- 6. Test Operation (test run) Check .......................................................................................
7- 6-1. Fan Check ................................................................................................................
7- 6-2. Cooling/Heating Test Operation Check .................................................................
7- 7. Service Support Function ................................................................................................
7- 7-1. Check Function for Connecting of Refrigerant and Control Lines ....................
7- 7-2. Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit ......................
7- 7-3. Check Code Clearing Function ..............................................................................
7- 7-4. Remote Controller Distinction Function ...............................................................
Forced ON Function in Outdoor Unit ...................................................................
7- 7-7. Fan Operation Check in Outdoor Unit ..................................................................
7- 7-9. Manual Adjustment Function of Outside Temperature (TO) Sensor ..................
7- 7-10. Refrigerant leakage detection .............................................................................
7- 7-11. Monitor Function of Remote Controller Switch ................................................
7- 8. Wave Tool Advance for SMMS-u Series ..........................................................................
7- 8-1. Before the Use of Wave Tool Advance ..................................................................
7- 8-2. About Wave Tool Advance ......................................................................................
7- 8-4. Confirmation for NFC tag Communication ...........................................................
8. TROUBLESHOOTING ............................................................................................
8- 1. Overview ............................................................................................................................
8- 2. Troubleshooting method ..................................................................................................
8- 3. Troubleshooting based on information displayed on remote controller ....................
8-4. Check Codes list .............................................................................................................
8- 5. Diagnosis procedure for each check code ....................................................................
8- 6. 7-Segment Display Function ...........................................................................................
8- 7. Oil Level Judgment Display .............................................................................................
8- 8. SMMS-u Outdoor Interface P.C. Board Function Setting Change Table ......................
8- 9. Leakage/Clogging of Refrigerating Cycle Circuit ..........................................................
8- 10. Sensor Characteristics ....................................................................................................
8- 11. Pressure Sensor Output Check ......................................................................................
9. BACKUP OPERATION (EMERGENCY OPERATION) ..........................................
9- 1. Note for Backup Operation ..............................................................................................
9- 2. Compressor Backup Operation Setting .........................................................................
9- 3. Outdoor Unit Backup Operation Setting ........................................................................
9-3-1. Follower outdoor unit backup operation setting (failure of follower outdoor
unit) ..........................................................................................................................
9-3-2. Header outdoor unit backup operation setting (failure of header outdoor
unit) ..........................................................................................................................
9- 4. Cooling-Season Outdoor Unit Backup Operation Setting ............................................
9- 5. Outdoor Unit Automatic Backup Operation Outline ......................................................
10. OUTDOOR UNIT REFRIGERANT RECOVERY METHOD .................................
10- 1. Refrigerant Recovery from Troubled Outdoor Unit (Reclaim) .....................................
10- 1-1. Note for refrigerant recovery operation .............................................................
10- 1-2. Refrigerant recovery procedure A (Case that the troubled outdoor
unit turn on) .............................................................................................................
10-1-3. Refrigerant recovery procedure B (Case that the troubled outdoor unit
does not turn on) ...................................................................................................
10- 2. How to Operate System While Troubled Outdoor Unit Being Repaired ......................
10- 3. Work procedure after Repair ..........................................................................................
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Table of Contents
Troubleshooting
